Farmall International 1460 combine (diesel engine) 1480 combine (diesel engine) muffler has aspirator tube.Horizontal muffler.Replaces part #131086c91.28 long 6 1/2 shell inlet i.D.3 3/4 outlet od 4 1/8.This item is a special order item, we may have them in stock; however, if we do not we can order them.